Handrail framework assembly welding fixture

Abstract

The present application relates to a kind of handrail framework assembly welding fixture, including the A clamping unit for the clamping of slide rail support sheet metal part, the B clamping unit for the clamping of left handrail vertical support piece and right handrail vertical support piece, the C clamping unit for the clamping of handrail horizontal support square steel, handrail vertical support square steel, outer handrail connecting plate, left handrail vertical fixed square steel, the D clamping unit for the clamping of lower end framework connecting plate, the E clamping unit for the clamping of right handrail vertical fixed square steel, the F clamping unit for the clamping of outer plate fixed support steel wire, the G clamping unit for the clamping of lower end framework connecting steel wire, the H clamping unit for the clamping of handrail support steel wire.The above scheme provided by the present application can effectively clamp and position each component of handrail framework assembly reliably, so as to reliably weld and connect each component on the welding fixture, improve welding efficiency and reduce labor intensity.

Description

Technical Field

[0001] This invention relates to the field of automotive seat manufacturing, and more specifically to a welding fixture for an armrest frame assembly. Background Technology

[0002] like Figure 1 As shown, the automotive armrest frame assembly consists of sheet metal parts for the slide rail bracket, left armrest vertical bracket, right armrest vertical bracket, left armrest vertical fixing square steel, armrest horizontal bracket square steel, armrest vertical bracket square steel, outer armrest connecting plate, lower frame connecting plate, right armrest vertical fixing square steel, outer plate fixing support steel wire, lower frame connecting steel wire, armrest support steel wire, and other components. Due to the large number of components, during manufacturing, some parts are clamped and welded together using different fixtures before final assembly and welding. While this method enables the welding production of the automotive armrest frame assembly, it involves multiple clamping operations, resulting in low welding efficiency. Therefore, it is necessary to provide a fixture that can simultaneously clamp all the aforementioned components, thereby improving the welding efficiency of the automotive armrest frame assembly. Summary of the Invention

[0003] The purpose of this invention is to provide a welding fixture for an armrest frame assembly, which can solve the above-mentioned problems and clamp the various components that make up the automotive armrest frame assembly at one time, thereby improving welding efficiency.

[0004] The specific technical solution adopted in this invention is as follows.

[0005] A welding fixture for a handrail frame assembly is characterized by comprising a fixture base, on which are provided a clamping unit A for clamping the sheet metal parts of the slide rail bracket, a clamping unit B for clamping the left handrail vertical bracket and the right handrail vertical bracket, a clamping unit C for clamping the handrail horizontal bracket square steel, the handrail vertical bracket square steel, the outer handrail connecting plate, and the left handrail vertical fixing square steel, a clamping unit D for clamping the lower frame connecting plate, a clamping unit E for clamping the right handrail vertical fixing square steel, a clamping unit F for clamping the outer plate fixing support wire, a clamping unit G for clamping the lower frame connecting wire, and a clamping unit H for clamping the handrail support wire.

[0006] A further solution is as follows: The sheet metal part of the slide rail bracket is clamped vertically on clamping unit A. The length and horizontal directions of the sheet metal part of the slide rail bracket are matched. Clamping unit A includes support blocks A1, A2, and A3 spaced apart along the length of the sheet metal part of the slide rail bracket. Stepped support structures A1, A2, and A3 are respectively provided on support blocks A1, A2, and A3. These support structures support and straighten the lower side of the sheet metal part of the slide rail bracket. A1 and A3 abutment blocks are provided on the outer sides of support blocks A1 and A3 for abutting. The sheet metal surface of the slide rail bracket allows it to abut against the stepped surfaces (vertical surfaces) of the A1, A2, and A3 support structures, forming a stepped structure. The A1 and A3 abutment blocks are respectively equipped with A1 and A2 grooves to accommodate protruding parts on the slide rail bracket sheet metal. A1 and A2 positioning pins are respectively installed at the bottom of the A1 and A2 grooves. These pins are then assembled and positioned with the A1 and A2 assembly holes at both ends of the slide rail bracket sheet metal. The A1 and A3 abutment blocks are mounted on the A mounting bracket, which is then mounted on the A driving component, which is either a pneumatic or electric cylinder.

[0007] The B clamping unit includes a B left clamping subunit for clamping the left handrail vertical support member and a B right clamping subunit for clamping the right handrail vertical support member. The B left clamping subunit includes a B1 left support block, a B2 left support block, a B1 left pressure block, and a B2 left pressure block. The B1 left support block and the B2 left support block support both ends of the left handrail vertical support member. The B1 left support block and the B2 left support block are respectively equipped with a B1 left positioning pin and a B2 left positioning pin. The B1 left positioning pin and the B2 left positioning pin are connected to the left handrail vertical support member. The left handrail vertical support is assembled and positioned by B1 left assembly holes and B2 left assembly holes respectively at both ends. B1 left pressure block and B2 left pressure block are arranged corresponding to B1 left support block and B2 left support block respectively to press the two ends of the left handrail vertical support. B1 left pressure block and B2 left pressure block are assembled on B left flip bracket. The middle part of B left flip bracket is rotatably mounted on the fixture base. B left flip bracket is hinged to B left drive component for adjusting its flipping. B left drive component is a cylinder or electric cylinder.

[0008] The B right clamping subunit includes a B1 right support block, a B2 right support block, a B1 right pressure block, and a B2 right pressure block. The B1 right support block and the B2 right support block support both ends of the right handrail vertical support component. The B1 right support block and the B2 right support block are respectively equipped with B1 right positioning pins and B2 right positioning pins. The B1 right positioning pins and the B2 right positioning pins are assembled and positioned with the B1 right assembly holes and the B2 right assembly holes respectively provided at both ends of the right handrail vertical support component. The B1 right pressure block and the B2 right pressure block are respectively arranged corresponding to the B1 right support block and the B2 right support block to press the two ends of the right handrail vertical support component. The B1 right pressure block and the B2 right pressure block are assembled on the B right flipping bracket. The middle part of the B right flipping bracket is rotatably mounted on the clamp base. The B right flipping bracket is hinged to the B right driving component that adjusts its flipping. The B right driving component is a cylinder or an electric cylinder.

[0009] The C-clamping unit includes support blocks C1, C2, C3, C4, and C5, as well as clamping blocks C1, C2, C3, and C4. Support block C1 supports the vertical fixed square steel of the left handrail; support block C2 supports one end of the horizontal support square steel of the handrail; support block C3 supports the middle of the horizontal support square steel of the handrail; support block C4 supports the other end of the horizontal support square steel and one end of the vertical support square steel of the handrail; and support block C5 supports the other end of the vertical support square steel of the handrail. Support blocks C1, C4, and C5 are respectively equipped with positioning pins C1, C2, and C3. Positioning pin C1 engages with the C1 clamping block on the vertical fixed square steel of the left handrail. The C2 positioning pin is used for assembly and positioning with the C2 assembly hole on the horizontal support square steel of the handrail, and the C3 positioning pin is used for assembly and positioning with the C3 assembly hole on the vertical support square steel of the handrail. The C1 pressure block and C2 pressure block are arranged to correspond to the C1 support block and C3 support block, respectively. The C1 pressure block is used to press the left handrail vertical fixed square steel, and the C2 pressure block is used to press the middle part of the horizontal support square steel of the handrail. The C3 pressure block and C4 pressure block are arranged to correspond to the C4 support block and C5 support block, respectively. The C3 pressure block is used to press the outer handrail connecting plate. The outer handrail connecting plate is used to connect the other end of the horizontal support square steel of the handrail and one end of the vertical support square steel of the handrail. The C4 pressure block is used to press the other end of the vertical support square steel of the handrail.

[0010] C1 pressure block and C2 pressure block are assembled on C1 flipping bracket. The middle part of C1 flipping bracket is rotatably mounted on the fixture base. C1 flipping bracket is hinged to C1 drive component for adjusting its flipping. C1 drive component is a cylinder or electric cylinder.

[0011] The C3 and C4 pressure blocks are assembled on the C2 flipping bracket. The middle part of the C2 flipping bracket is rotatably mounted on the fixture base. The C2 flipping bracket is hinged to the C2 drive component that adjusts its flipping. The C2 drive component is a pneumatic cylinder or an electric cylinder.

[0012] The C5 support block is provided with a C5 receiving groove. The other end of the handrail vertical support square steel is located in the C5 receiving groove. C1 interval area and C2 interval area are respectively provided between the handrail vertical support square steel and the two side groove walls of the C5 receiving groove. The C1 interval area and C2 interval area are respectively used to arrange one end of the outer plate fixing support steel wire and one end of the lower frame connecting steel wire.

[0013] The D clamping unit includes a D1 support block, a D2 support block, a D1 pressure block, and a D2 pressure block. The D1 support block supports one end of the lower frame connecting plate, and the D2 support block supports the middle of the lower frame connecting plate. The other end of the lower frame connecting plate is mounted on the right handrail vertical fixed square steel. The D1 support block and the D2 support block are respectively equipped with D1 positioning pins and D2 positioning pins. The D1 positioning pins and the D2 positioning pins are assembled and positioned with the D1 assembly holes and D2 assembly holes on the lower frame connecting plate. The D1 pressure block and the D2 pressure block are assembled on the D flip bracket. The middle part of the D flip bracket is rotatably mounted on the clamp base. The D flip bracket is hinged to the D drive component that adjusts its flipping. The D drive component is a cylinder or an electric cylinder.

[0014] The E-clamping unit includes an E1 support block, an E2 support block, an E1 pressure block, and an E2 pressure block. The E1 and E2 support blocks support both ends of the right handrail vertical fixing square steel. The E1 and E2 support blocks are respectively equipped with E1 and E2 positioning pins, which are assembled and positioned with the E1 and E2 assembly holes on the right handrail vertical fixing square steel. The E1 and E2 pressure blocks are arranged corresponding to the E1 and E2 support blocks to press the right handrail vertical fixing square steel. The E1 support block is provided with an E1 receiving groove, and one end of the right handrail vertical fixing square steel is located in the E1 receiving groove. An E1 interval area is provided between the right handrail vertical fixing square steel and one side wall of the E1 receiving groove. The E1 interval area is used to accommodate the other end of the lower frame connecting steel wire.

[0015] The H-clamping unit includes H1 support block, H2 support block, H3 support block, H4 support block, H1 pressure block, H2 pressure block, H3 pressure block, and H4 pressure block. Each of the H1, H2, H3, and H4 support blocks is provided with an H1 support groove, H2 support groove, H3 support groove, and H4 support groove, respectively, for accommodating the handrail support wire. Support grooves H1 and H2 support both ends of the handrail support wire, while support grooves H3 and H4 support the middle of the handrail support wire. The length direction of support grooves H3 and H4 is consistent with the length direction of the vertical fixed square steel of the right handrail. Pressure blocks H1, H2, H3, and H4 are arranged corresponding to support blocks H1, H2, H3, and H4, respectively. Pressure blocks H1 and E1 are mounted on the H1 flipping bracket, with the middle of the H1 flipping bracket rotatably mounted on the clamp base. The H1 flipping bracket is hinged to the H1 driving component, which adjusts its flipping motion; the H1 driving component is a pneumatic or electric cylinder. H2 pressure blocks... The H2 pressure block and the E2 pressure block are assembled on the H2 flipping bracket. The middle part of the H2 flipping bracket is rotatably mounted on the fixture base. The H2 flipping bracket is hinged to the H2 drive component that adjusts its flipping. The H2 drive component is a pneumatic cylinder or an electric cylinder. The H3 pressure block is assembled on the H3 flipping bracket. The middle part of the H3 flipping bracket is rotatably mounted on the fixture base. The H3 flipping bracket is hinged to the H3 drive component that adjusts its flipping. The H3 drive component is a pneumatic cylinder or an electric cylinder. The H4 pressure block is assembled on the H4 flipping bracket. The middle part of the H4 flipping bracket is rotatably mounted on the fixture base. The H4 flipping bracket is hinged to the H4 drive component that adjusts its flipping. The H4 drive component is a pneumatic cylinder or an electric cylinder.

[0016] The F clamping unit includes an F1 support block, an F2 support block, an F1 pressure block, and an F2 pressure block. The F1 and F2 support blocks are respectively provided with F1 support grooves and F2 support grooves. The F1 support block supports the other end of the outer plate fixing support wire, and the F2 support block supports the middle of the outer plate fixing support wire. The F1 and F2 pressure blocks are arranged corresponding to the F1 support block and the C1 interval area to press the outer plate fixing support wire. The F1 pressure block is mounted on the F1 flipping bracket, and the middle of the F1 flipping bracket is rotatably mounted on the fixture base. The F1 flipping bracket is hinged to the F1 drive component, which adjusts its flipping, and the F1 drive component is a pneumatic cylinder or an electric cylinder. The F2 pressure block is mounted on the F2 flipping bracket, and the middle of the F2 flipping bracket is rotatably mounted on the fixture base. The F2 flipping bracket is hinged to the F2 drive component, which adjusts its flipping, and the F2 drive component is a pneumatic cylinder or an electric cylinder.

[0017] The G clamping unit includes a G1 support block, a G1 pressure block, and a G2 pressure block. The G1 support block is provided with a G1 support groove. The G1 support block supports the middle part of the lower skeleton connecting steel wire. The G1 pressure block and the G2 pressure block are arranged in the E1 interval area and the C2 interval area respectively to press the lower skeleton connecting steel wire. The G1 pressure block is assembled on the H1 flip bracket, and the G2 pressure block is assembled on the F2 flip bracket.

[0018] The above-mentioned solution provided by the present invention can effectively and reliably clamp and position each component of the handrail frame assembly, thereby enabling reliable welding connection between the components on the welding fixture, improving welding efficiency and reducing labor intensity. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the welding fixture for the handrail frame assembly.

[0020] Figure 2 This is a schematic diagram of the structure of the present invention.

[0021] Figure 3 for Figure 2 Top view.

[0022] Figure 4 This is a schematic diagram of the structure of clamping unit A.

[0023] Figure 5 for Figure 4 A schematic diagram of the structure after removing the sheet metal parts of the slide rail bracket.

[0024] Figure 6 This is a schematic diagram of the structure of clamping unit B.

[0025] Figure 7 The diagram shows the structure of clamping unit C and clamping unit F.

[0026] Figure 8 for Figure 7 A schematic diagram of the structure after removing each pressure block.

[0027] Figure 9 The diagram shows the structure of clamping unit D, clamping unit E, clamping unit G, and clamping unit H.

[0028] Figure 10 for Figure 9 A schematic diagram of the structure after removing each pressure block.

[0029] Figure 11 This is a structural diagram of the present invention in use.

[0030] The correspondence between the reference numerals and components in the attached drawings is as follows: 010-Sheet metal part of the slide rail bracket, 021-Left handrail vertical bracket part, 022-Right handrail vertical bracket part, 031-Left handrail vertical fixing square steel, 032-Handrail horizontal bracket square steel, 033-Handrail vertical bracket square steel, 034-Outer handrail connecting plate, 040-Lower frame connecting plate, 050-Right handrail vertical fixing square steel, 060-Outer plate fixing support steel wire, 070-Lower frame connecting steel wire, 080- Handrail support wire, 100-A clamping unit, 200-B clamping unit, 300-C clamping unit, 400-D clamping unit, 500-E clamping unit, 600-F clamping unit, 700-G clamping unit, 800-H clamping unit, 111-A1 support block, 112-A2 support block, 113-A3 support block, 121-A1 abutment block, 122-A3 abutment block, 130-A driving component, 211-B left-flipping component. Bracket, 212-B Right Flip Bracket, 231-B Left Drive Component, 232-B Right Drive Component, 311-C1 Pressure Block, 312-C2 Pressure Block, 313-C3 Pressure Block, 314-C4 Pressure Block, 321-C1 Drive Component, 322-C2 Drive Component, 331-C5 Support Block, 411-D1 Pressure Block, 412-D2 Pressure Block, 421-D Drive Component, 511-E1 Pressure Block, 512-E2 Pressure Block, 521-H1 Drive Parts, 522-H2 drive component, 611-F1 support block, 612-F2 support block, 621-F1 pressure block, 622-F2 pressure block, 631-F1 drive component, 632-F2 drive component, 711-G1 support block, 721-G1 pressure block, 722-G2 pressure block, 811-H1 pressure block, 812-H2 pressure block, 813-H3 pressure block, 814-H4 pressure block, 821-H3 drive component, 822-H4 drive component. Detailed Implementation

[0031] To make the objectives and advantages of this invention clearer, the invention will be specifically described below with reference to embodiments. It should be understood that the following text is merely used to describe one or more specific embodiments of the invention and does not strictly limit the scope of protection specifically claimed by the invention.

[0032] like Figure 2 , 3As shown, a handrail frame assembly welding fixture includes a fixture base. The fixture base is equipped with an A clamping unit 100 for clamping the slide rail bracket sheet metal part 010, a B clamping unit 200 for clamping the left handrail vertical bracket part 021 and the right handrail vertical bracket part 022, a C clamping unit 300 for clamping the handrail horizontal bracket square steel 032, the handrail vertical bracket square steel 033, the outer handrail connecting plate 034, and the left handrail vertical fixing square steel 031, a D clamping unit 400 for clamping the lower end frame connecting plate 040, an E clamping unit 500 for clamping the right handrail vertical fixing square steel 050, an F clamping unit 600 for clamping the outer plate fixing support wire 060, a G clamping unit 700 for clamping the lower end frame connecting wire 070, and an H clamping unit 800 for clamping the handrail support wire 080. The arrangement of clamping units A (100), B (200), C (300), D (400), E (500), F (600), G (700), and H (800) on the fixture base matches the positions of the various components of the handrail frame assembly welding fixture. In this invention, the installation positions of the components forming each unit on the fixture base are consistent with the positions of the clamped components on the handrail frame assembly, ensuring that the operation of each component does not interfere with each other. See details for further information. Figure 3 and Figure 11 The specific implementation will be carried out based on the positional relationships indicated in the diagram.

[0033] like Figure 4 , 5As shown, the sheet metal part 010 of the slide rail bracket is clamped vertically on clamping unit 100. The length direction and horizontal direction of the sheet metal part 010 of the slide rail bracket are matched. Clamping unit 100 includes A1 support blocks 111, A2 support blocks 112, and A3 support blocks 113 spaced apart along the length direction of the sheet metal part 010 of the slide rail bracket. Stepped A1 support structures, A2 support structures, and A3 support structures are respectively provided on the A1 support blocks 111, A2 support blocks 112, and A3 support blocks 113. The A1 support structures, A2 support structures, and A3 support structures support and straighten the lower side edge of the sheet metal part 010 of the slide rail bracket. A1 abutment blocks 121 and A3 abutment blocks 122 are provided on the outer side of the A1 support blocks 111 and A3 support blocks 113. The abutment block 122 is used to abut against the plate surface of the slide rail bracket sheet metal part 010 so that the slide rail bracket sheet metal part 010 is against the stepped surface (vertical surface) of the A1 support structure, A2 support structure, and A3 support structure. The abutment blocks A1 and A3 are respectively provided with A1 groove and A2 groove, which are used to accommodate the protruding parts on the slide rail bracket sheet metal part 010. The bottom of the A1 groove and A2 groove are respectively provided with A1 positioning pin and A2 positioning pin. The A1 positioning pin and A2 positioning pin are assembled and positioned with the A1 assembly hole and A2 assembly hole respectively provided at both ends of the slide rail bracket sheet metal part 010. The A1 abutment block 121 and A3 abutment block 122 are installed on the A mounting bracket. The A mounting bracket is assembled on the A driving component 130. The A driving component 130 is a cylinder or electric cylinder. The A clamping unit of the above structure can reliably clamp the slide rail bracket sheet metal part 010, and make the slide rail bracket sheet metal part 010 reliably overlap with the left handrail vertical bracket part 021 and the right handrail vertical bracket part 022, thus meeting the requirements of welding and clamping positioning.

[0034] like Figure 6The diagram illustrates a specific implementation of clamping unit 200 (B). B clamping unit 200 includes a left clamping subunit (B left) for clamping the left handrail vertical support member 021 and a right clamping subunit (B right) for clamping the right handrail vertical support member 022. The left clamping subunit includes a left support block (B1), a left support block (B2), a left pressure block (B1), and a left pressure block (B2). The left support blocks (B1 and B2) support both ends of the left handrail vertical support member 021. A left fixing block (B1 left) is provided on each of the left support blocks (B1 and B2). The B1 left positioning pin, B2 left positioning pin, B2 left positioning pin, and B2 left positioning pin are assembled and positioned with the B1 left assembly hole and B2 left assembly hole respectively provided at both ends of the left handrail vertical support component 021. The B1 left pressure block and B2 left pressure block are arranged corresponding to the B1 left support block and B2 left support block respectively to press the two ends of the left handrail vertical support component 021. The B1 left pressure block and B2 left pressure block are assembled on the B left flip bracket 211. The middle part of the B left flip bracket 211 is rotatably mounted on the fixture base. 11 is hinged to the B left drive component 231, which is used to adjust and rotate the unit. The B left drive component 231 is a pneumatic or electric cylinder. The B right clamping subunit includes a B1 right support block, a B2 right support block, a B1 right pressure block, and a B2 right pressure block. The B1 right support block and the B2 right support block support both ends of the right handrail vertical support component 022. The B1 right support block and the B2 right support block are respectively equipped with B1 right positioning pin and B2 right positioning pin. The B1 right positioning pin and the B2 right positioning pin are respectively positioned at both ends of the right handrail vertical support component 022. The B1 right assembly hole and B2 right assembly hole are used for assembly and positioning. The B1 right pressure block and B2 right pressure block are arranged corresponding to the B1 right support block and B2 right support block, respectively, to press the two ends of the right handrail vertical support component 022. The B1 right pressure block and B2 right pressure block are assembled on the B right flip bracket 212. The middle part of the B right flip bracket 212 is rotatably mounted on the fixture base. The B right flip bracket 212 is hinged to the B right drive component 232, which is used to adjust its flipping. The B right drive component 232 is a cylinder or electric cylinder. The B mounting unit with the above structure can reliably clamp the left handrail vertical support component 021 and the right handrail vertical support component 022, and make the two ends of the left handrail vertical support component 021 and the right handrail vertical support component 022 reliably overlap with the slide rail bracket sheet metal part 010 and the handrail horizontal support square steel 032, respectively, to meet the requirements of welding and clamping positioning.

[0035] like Figure 7 , 8The diagram illustrates a specific implementation of clamping unit C 300 and clamping unit F 600. Clamping unit C 300 includes a support block C1, a support block C2, a support block C3, a support block C4, a support block C5 331, a pressure block C1 311, a pressure block C2 312, a pressure block C3 313, and a pressure block C4 314. Support block C1 supports the vertical fixed square steel 031 of the left handrail, support block C2 supports one end of the horizontal support square steel 032 of the handrail, support block C3 supports the middle of the horizontal support square steel 032 of the handrail, and support block C4 supports the other end of the horizontal support square steel 032 of the handrail. One end of the handrail vertical support square steel 033 is supported, and the other end of the handrail vertical support square steel 033 is supported by the C5 support block 331. The C1 support block, C4 support block, and C5 support block 331 are respectively equipped with C1 positioning pin, C2 positioning pin, and C3 positioning pin. The C1 positioning pin is assembled and positioned with the C1 assembly hole on the left handrail vertical fixed square steel 031, the C2 positioning pin is assembled and positioned with the C2 assembly hole on the handrail horizontal support square steel 032, and the C3 positioning pin is assembled and positioned with the C3 assembly hole on the handrail vertical support square steel 033. The C1 pressure block 311 and C2... The pressure blocks 312 are arranged corresponding to support blocks C1 and C3, respectively. C1 pressure block 311 is used to press the left handrail vertical fixed square steel 031. C2 pressure block 312 is used to press the middle of the handrail horizontal support square steel 032. C3 pressure blocks 313 and C4 pressure blocks 314 are arranged corresponding to support blocks C4 and C5, respectively. C3 pressure block 313 is used to press the outer handrail connecting plate 034, which connects the other end of the handrail horizontal support square steel 032 to one end of the handrail vertical support square steel 033. C4 pressure block 314 is used to press the handrail vertical support... The other end of the square steel 033 is pressed; C1 pressure block 311 and C2 pressure block 312 are assembled on the C1 flipping bracket, the middle part of the C1 flipping bracket is rotatably mounted on the fixture base, and the C1 flipping bracket is hinged to the C1 driving component 321 for adjusting its flipping, the C1 driving component 321 is a cylinder or electric cylinder; C3 pressure block 313 and C4 pressure block 314 are assembled on the C2 flipping bracket, the middle part of the C2 flipping bracket is rotatably mounted on the fixture base, and the C2 flipping bracket is hinged to the C2 driving component 322 for adjusting its flipping, the C2 driving component 322 is a cylinder or electric cylinder. The C5 support block 331 is provided with a C5 receiving groove. The other end of the handrail vertical support square steel 033 is located in the C5 receiving groove. The handrail vertical support square steel 033 and the two side groove walls of the C5 receiving groove are respectively provided with a C1 interval area and a C2 interval area. The C1 interval area and the C2 interval area are respectively used to arrange one end of the outer plate fixing support steel wire 060 and one end of the lower frame connecting steel wire 070.The F-clamping unit 600 includes an F1 support block 611, an F2 support block 612, an F1 pressure block 621, and an F2 pressure block 622. The F1 support block 611 and F2 support block 612 are respectively provided with F1 support grooves and F2 support grooves. The F1 support block 611 supports the other end of the outer plate fixing support wire 060, and the F2 support block 612 supports the middle part of the outer plate fixing support wire 060. The F1 pressure block 621 and F2 pressure block 622 are respectively arranged corresponding to the F1 support block 611 and the C1 interval area for pressing... The outer plate is fixed with a support steel wire 060. The F1 pressure block 621 is assembled on the F1 flipping bracket. The middle part of the F1 flipping bracket is rotatably mounted on the fixture base. The F1 flipping bracket is hinged to the F1 drive component 631, which adjusts its flipping. The F1 drive component 631 is a cylinder or an electric cylinder. The F2 pressure block 622 is assembled on the F2 flipping bracket. The middle part of the F2 flipping bracket is rotatably mounted on the fixture base. The F2 flipping bracket is hinged to the F2 drive component 632, which adjusts its flipping. The F2 drive component 632 is a cylinder or an electric cylinder. The aforementioned clamping unit C 300 and clamping unit F 600 can reliably clamp the left handrail vertical fixed square steel 031, the handrail horizontal support square steel 032, the handrail vertical support square steel 033, the outer handrail connecting plate 034, and the lower frame connecting wire 070, and ensure that the left handrail vertical fixed square steel 031, the handrail horizontal support square steel 032, the handrail vertical support square steel 033, the outer handrail connecting plate 034, and the lower frame connecting wire 070 are reliably overlapped, meeting the requirements for welding and clamping positioning.

[0036] like Figure 9 , 10The diagram shows specific implementations of clamping unit D 400, clamping unit E 500, clamping unit G 700, and clamping unit H 800. The D clamping unit 400 includes a D1 support block, a D2 support block, a D1 pressure block 411, and a D2 pressure block 412. The D1 support block supports one end of the lower frame connecting plate 040, and the D2 support block supports the middle of the lower frame connecting plate 040. The other end of the lower frame connecting plate 040 is mounted on the right handrail vertical fixed square steel 050. The D1 support block and the D2 support block are respectively provided with D1 positioning pins and D2 positioning pins. The D1 positioning pins and the D2 positioning pins are assembled and positioned with the D1 assembly holes and D2 assembly holes on the lower frame connecting plate 040. The D1 pressure block 411 and the D2 pressure block 412 are assembled on the D flip bracket. The middle of the D flip bracket is rotatably mounted on the clamp base. The D flip bracket is hinged to the D drive component 421 for adjusting its flipping. The D drive component 421 is a cylinder or an electric cylinder. The E-clamping unit 500 includes an E1 support block, an E2 support block, an E1 pressure block 511, and an E2 pressure block 512. The E1 support block and the E2 support block support both ends of the right handrail vertical fixed square steel 050. The E1 support block and the E2 support block are respectively provided with E1 positioning pins and E2 positioning pins. The E1 positioning pins and the E2 positioning pins are assembled and positioned with the E1 assembly holes and E2 assembly holes on the right handrail vertical fixed square steel 050. The E1 pressure block 511 and the E2 pressure block 512 are arranged corresponding to the E1 support block and the E2 support block to press the right handrail vertical fixed square steel 050. The E1 support block is provided with an E1 receiving groove. One end of the right handrail vertical fixed square steel 050 is located in the E1 receiving groove. An E1 interval area is provided between the right handrail vertical fixed square steel 050 and one side wall of the E1 receiving groove. The E1 interval area is used to accommodate the other end of the lower frame connecting steel wire 070.The H-clamping unit 800 includes an H1 support block, an H2 support block, an H3 support block, an H4 support block, an H1 pressure block 811, an H2 pressure block 812, an H3 pressure block 813, and an H4 pressure block 814. The H1, H2, H3, and H4 support blocks are respectively provided with H1 support grooves, H2 support grooves, H3 support grooves, and H4 support grooves for accommodating the handrail support steel wire 080. H1 and H2 support grooves support both ends of the handrail support wire 080, while H3 and H4 support grooves support the middle of the handrail support wire 080. The length direction of H3 and H4 support grooves is consistent with the length direction of the right handrail vertical fixed square steel 050. H1 pressure block 811, H2 pressure block 812, H3 pressure block 813, and H4 pressure block 814 are arranged corresponding to H1 support block, H2 support block, H3 support block, and H4 support block, respectively. H1 pressure block 811 and E1 pressure block 511 are assembled on H1 flip bracket. The middle part of H1 flip bracket is rotatably mounted on the clamp base. H1 flip bracket is hinged to H1 drive component 521, which adjusts its flipping action. H1 drive component 521 is a cylinder or electric cylinder. 2. Pressure block 812 and E2 pressure block 512 are assembled on H2 flip bracket. The middle part of H2 flip bracket is rotatably mounted on the fixture base. H2 flip bracket is hinged to H2 drive component 522, which adjusts its flipping. H2 drive component 522 is a cylinder or electric cylinder. H3 pressure block 813 is assembled on H3 flip bracket. The middle part of H3 flip bracket is rotatably mounted on the fixture base. H3 flip bracket is hinged to H3 drive component 821, which adjusts its flipping. H3 drive component 821 is a cylinder or electric cylinder. H4 pressure block 814 is assembled on H4 flip bracket. The middle part of H4 flip bracket is rotatably mounted on the fixture base. H4 flip bracket is hinged to H4 drive component 822, which adjusts its flipping. H4 drive component 822 is a cylinder or electric cylinder. G clamping unit 700 includes G1 support block 711, G1 pressure block 721, and G2 pressure block 722. G1 support block 711 is provided with G1 support groove. G1 support block 711 supports the middle part of the lower skeleton connecting steel wire 070. G1 pressure block 721 and G2 pressure block 722 are arranged corresponding to the E1 interval area and C2 interval area respectively to press the lower skeleton connecting steel wire 070. G1 pressure block 721 is assembled on H1 flip bracket and G2 pressure block 722 is assembled on F2 flip bracket. The aforementioned clamping units D 400, E 500, G 700, and H 800 can reliably clamp the lower frame connecting plate 040, the right handrail vertical fixing square steel 050, the lower frame connecting steel wire 070, and the handrail support steel wire 080, and ensure reliable overlap between the lower frame connecting plate 040, the right handrail vertical fixing square steel 050, the lower frame connecting steel wire 070, and the handrail support steel wire 080, thus meeting the requirements for welding and clamping positioning.

[0037] like Figure 11As shown, the sheet metal parts 010 of the slide rail bracket, 021 of the left handrail vertical bracket, 022 of the right handrail vertical bracket, 031 of the left handrail vertical fixing square steel, 032 of the handrail horizontal bracket square steel, 033 of the handrail vertical bracket square steel, 034 of the outer handrail connecting plate, 040 of the lower frame connecting plate, 050 of the right handrail vertical fixing square steel, 060 of the outer plate fixing support steel wire, 070 of the lower frame connecting steel wire, and 080 of the handrail support steel wire are first transferred onto the fixture according to the preset overlapping relationship. Then, the driving components are activated to clamp the above-mentioned components. Then, the automatic welding equipment is started to weld the components according to the preset program, or the welding is done manually. After the welding is completed, the driving components are opened and the welded handrail frame assembly can be removed. The above solution provided by the present invention can effectively and reliably clamp and position the components of the handrail frame assembly, thereby enabling reliable welding connections between the components on the welding fixture. Furthermore, the welded handrail frame assembly is easy to disassemble, improving welding efficiency and reducing labor intensity.

[0038] The above description is merely a preferred embodiment of the present invention. It should be noted that those skilled in the art can make various improvements and modifications without departing from the principles of the present invention, and these improvements and modifications should also be considered within the scope of protection of the present invention. Structures, mechanisms, and operating methods not specifically described or explained in this invention, unless otherwise specified or limited, shall be implemented using conventional methods in the art.

Claims

1. A handrail frame assembly welding fixture, characterized by: The clamp base is provided with an A clamping unit for clamping the slide rail support sheet metal part, a B clamping unit for clamping the left handrail vertical support part and the right handrail vertical support part, a C clamping unit for clamping the handrail horizontal support square steel, the handrail vertical support square steel, the outer handrail connecting plate and the left handrail vertical fixed square steel, a D clamping unit for clamping the lower end framework connecting plate, an E clamping unit for clamping the right handrail vertical fixed square steel, an F clamping unit for clamping the outer plate fixed support wire, a G clamping unit for clamping the lower end framework connecting wire and an H clamping unit for clamping the handrail support wire; The plate surface of the slide rail support sheet metal part is vertically clamped on the A clamping unit, the A clamping unit comprises A1 supporting blocks, A2 supporting blocks and A3 supporting blocks which are arranged at intervals along the length direction of the slide rail support sheet metal part, the A1 supporting blocks, the A2 supporting blocks and the A3 supporting blocks are respectively provided with stepped A1 supporting structures, A2 supporting structures and A3 supporting structures, the A1 supporting structures, the A2 supporting structures and the A3 supporting structures support and center the lower side of the slide rail support sheet metal part, the outer sides of the A1 supporting blocks and the A3 supporting blocks are provided with A1 abutting blocks and A3 abutting blocks, the A1 abutting blocks and the A3 abutting blocks abut against the plate surface of the slide rail support sheet metal part so that the slide rail support sheet metal part is close to the step surfaces of the A1 supporting structures, the A2 supporting structures and the A3 supporting structures, the A1 abutting blocks and the A3 abutting blocks are respectively provided with A1 grooves and A2 grooves, the A1 grooves and the A2 grooves are used for accommodating the protruding parts on the slide rail support sheet metal part, the groove bottoms of the A1 grooves and the A2 grooves are respectively provided with A1 positioning pins and A2 positioning pins, the A1 positioning pins and the A2 positioning pins are assembled and positioned with A1 assembly holes and A2 assembly holes arranged at the two ends of the slide rail support sheet metal part, the A1 abutting blocks and the A3 abutting blocks are installed on A installation supports, the A installation supports are assembled on A driving members, and the A driving members are air cylinders or electric cylinders; The B clamping unit comprises a B left clamping subunit for clamping the left handrail vertical support part and a B right clamping subunit for clamping the right handrail vertical support part, the B left clamping subunit comprises B1 left supporting blocks, B2 left supporting blocks, B1 left pressing blocks and B2 left pressing blocks, the B1 left supporting blocks and the B2 left supporting blocks support the two ends of the left handrail vertical support part, the B1 left supporting blocks and the B2 left supporting blocks are respectively provided with B1 left positioning pins and B2 left positioning pins, the B1 left positioning pins and the B2 left positioning pins are assembled and positioned with B1 left assembly holes and B2 left assembly holes arranged at the two ends of the left handrail vertical support part, the B1 left pressing blocks and the B2 left pressing blocks are arranged corresponding to the B1 left supporting blocks and the B2 left supporting blocks and are used for pressing the two ends of the left handrail vertical support part, the B1 left pressing blocks and the B2 left pressing blocks are assembled on B left turnover supports, the middle part of the B left turnover supports is rotatably installed on the clamp base, the B left turnover supports are hingedly connected with B left driving members for adjusting the turnover of the B left turnover supports, and the B left driving members are air cylinders or electric cylinders. The B right clamping subunit comprises a B1 right support block, a B2 right support block, a B1 right pressing block and a B2 right pressing block. The B1 right support block and the B2 right support block support both ends of the right handrail vertical support piece. The B1 right support block and the B2 right support block are respectively provided with a B1 right positioning pin and a B2 right positioning pin. The B1 right positioning pin and the B2 right positioning pin are assembled and positioned with a B1 right assembly hole and a B2 right assembly hole respectively arranged at both ends of the right handrail vertical support piece. The B1 right pressing block and the B2 right pressing block are respectively arranged corresponding to the B1 right support block and the B2 right support block for pressing both ends of the right handrail vertical support piece. The B1 right pressing block and the B2 right pressing block are assembled on the B right turnover support. The middle part of the B right turnover support is rotatably installed on the clamp base. The B right turnover support is hingedly connected with a B right driving piece for adjusting the turnover of the B right turnover support. The B right driving piece is a pneumatic cylinder or an electric cylinder. The C clamping unit comprises a C1 support block, a C2 support block, a C3 support block, a C4 support block, a C5 support block, a C1 pressing block, a C2 pressing block, a C3 pressing block and a C4 pressing block. The C1 support block supports the left handrail vertical fixed square steel. The C2 support block supports one end of the handrail horizontal support square steel. The C3 support block supports the middle part of the handrail horizontal support square steel. The C4 support block supports the other end of the handrail horizontal support square steel and one end of the handrail vertical support square steel. The C5 support block supports the other end of the handrail vertical support square steel. The C1 support block, the C4 support block and the C5 support block are respectively provided with a C1 positioning pin, a C2 positioning pin and a C3 positioning pin. The C1 positioning pin is assembled and positioned with a C1 assembly hole on the left handrail vertical fixed square steel. The C2 positioning pin is assembled and positioned with a C2 assembly hole on the handrail horizontal support square steel. The C3 positioning pin is assembled and positioned with a C3 assembly hole on the handrail vertical support square steel. The C1 pressing block and the C2 pressing block are arranged corresponding to the C1 support block and the C3 support block. The C1 pressing block is used for pressing the left handrail vertical fixed square steel. The C2 pressing block is used for pressing the middle part of the handrail horizontal support square steel. The C3 pressing block and the C4 pressing block are arranged corresponding to the C4 support block and the C5 support block. The C3 pressing block is used for pressing the outer handrail connecting plate. The outer handrail connecting plate is used for connecting the other end of the handrail horizontal support square steel and one end of the handrail vertical support square steel. The C4 pressing block is used for pressing the other end of the handrail vertical support square steel. The C1 pressing block and the C2 pressing block are assembled on the C1 turnover support. The middle part of the C1 turnover support is rotatably installed on the clamp base. The C1 turnover support is hingedly connected with a C1 driving piece for adjusting the turnover of the C1 turnover support. The C1 driving piece is a pneumatic cylinder or an electric cylinder. The C3 pressing block and the C4 pressing block are assembled on the C2 turnover support. The middle part of the C2 turnover support is rotatably installed on the clamp base. The C2 turnover support is hingedly connected with a C2 driving piece for adjusting the turnover of the C2 turnover support. The C2 driving piece is a pneumatic cylinder or an electric cylinder. The C5 supporting block is provided with a C5 containing groove, the other end of the handrail vertical support square steel is located in the C5 containing groove, and the handrail vertical support square steel and the two side groove walls of the C5 containing groove are respectively provided with a C1 spacing area and a C2 spacing area, and the C1 spacing area and the C2 spacing area are respectively used for arranging one end of the outer plate fixing support steel wire and one end of the lower end framework connecting steel wire; The D clamping unit comprises a D1 supporting block, a D2 supporting block, a D1 pressing block and a D2 pressing block, the D1 supporting block supports one end of the lower end framework connecting plate, the D2 supporting block supports the middle part of the lower end framework connecting plate, the other end of the lower end framework connecting plate is arranged on the right handrail vertical fixed square steel, the D1 supporting block and the D2 supporting block are respectively provided with a D1 positioning pin and a D2 positioning pin, the D1 positioning pin and the D2 positioning pin are assembled and positioned with a D1 assembly hole and a D2 assembly hole on the lower end framework connecting plate, the D1 pressing block and the D2 pressing block are assembled on the D overturning support, the middle part of the D overturning support is rotatably installed on the clamp base, the D overturning support is hingedly connected with a D driving element for overturning, and the D driving element is a pneumatic cylinder or an electric cylinder; The E clamping unit comprises an E1 supporting block, an E2 supporting block, an E1 pressing block and an E2 pressing block, the E1 supporting block and the E2 supporting block support two ends of the right handrail vertical fixed square steel respectively, the E1 supporting block and the E2 supporting block are respectively provided with an E1 positioning pin and an E2 positioning pin, the E1 positioning pin and the E2 positioning pin are assembled and positioned with an E1 assembly hole and an E2 assembly hole on the right handrail vertical fixed square steel, the E1 pressing block and the E2 pressing block are respectively arranged corresponding to the E1 supporting block and the E2 supporting block and used for pressing the right handrail vertical fixed square steel, the E1 supporting block is provided with an E1 containing groove, one end of the right handrail vertical fixed square steel is located in the E1 containing groove, and an E1 spacing area is arranged between the right handrail vertical fixed square steel and one side groove wall of the E1 containing groove, and the E1 spacing area is used for accommodating the other end of the lower end framework connecting steel wire; The H clamping unit comprises an H1 support block, an H2 support block, an H3 support block, an H4 support block, an H1 pressing block, an H2 pressing block, an H3 pressing block and an H4 pressing block. The H1 support block, the H2 support block, the H3 support block and the H4 support block are respectively provided with an H1 support groove, an H2 support groove, an H3 support groove and an H4 support groove for accommodating the handrail support steel wire. The H1 support groove and the H2 support groove support the two ends of the handrail support steel wire, and the H3 support groove and the H4 support groove support the middle part of the handrail support steel wire. The length direction of the H3 support groove and the H4 support groove is consistent with the length direction of the right handrail vertical fixed square steel. The H1 pressing block, the H2 pressing block, the H3 pressing block and the H4 pressing block are arranged correspondingly. The H1 pressing block and the E1 pressing block are assembled on the H1 turnover support, the middle part of the H1 turnover support is rotatably installed on the clamp base, the H1 turnover support is hingedly connected with an H1 driving element for adjusting the turnover of the H1 turnover support, and the H1 driving element is a pneumatic cylinder or an electric cylinder. The H2 pressing block and the E2 pressing block are assembled on the H2 turnover support, the middle part of the H2 turnover support is rotatably installed on the clamp base, the H2 turnover support is hingedly connected with an H2 driving element for adjusting the turnover of the H2 turnover support, and the H2 driving element is a pneumatic cylinder or an electric cylinder. The H3 pressing block is assembled on the H3 turnover support, the middle part of the H3 turnover support is rotatably installed on the clamp base, the H3 turnover support is hingedly connected with an H3 driving element for adjusting the turnover of the H3 turnover support, and the H3 driving element is a pneumatic cylinder or an electric cylinder. The H4 pressing block is assembled on the H4 turnover support, the middle part of the H4 turnover support is rotatably installed on the clamp base, the H4 turnover support is hingedly connected with an H4 driving element for adjusting the turnover of the H4 turnover support, and the H4 driving element is a pneumatic cylinder or an electric cylinder. The F clamping unit comprises an F1 support block, an F2 support block, an F1 pressing block and an F2 pressing block. The F1 support block and the F2 support block are respectively provided with an F1 support groove and an F2 support groove. The F1 support block supports the other end of the outer plate fixed support steel wire, and the F2 support block supports the middle part of the outer plate fixed support steel wire. The F1 pressing block and the F2 pressing block are arranged correspondingly for pressing the outer plate fixed support steel wire. The F1 pressing block is assembled on the F1 turnover support, the middle part of the F1 turnover support is rotatably installed on the clamp base, the F1 turnover support is hingedly connected with an F1 driving element for adjusting the turnover of the F1 turnover support, and the F1 driving element is a pneumatic cylinder or an electric cylinder. The F2 pressing block is assembled on the F2 turnover support, the middle part of the F2 turnover support is rotatably installed on the clamp base, the F2 turnover support is hingedly connected with an F2 driving element for adjusting the turnover of the F2 turnover support, and the F2 driving element is a pneumatic cylinder or an electric cylinder. The G clamping unit comprises a G1 support block, a G1 pressing block and a G2 pressing block. The G1 support block is provided with a G1 support groove. The G1 support block supports the middle part of the lower end framework connecting steel wire. The G1 pressing block and the G2 pressing block are arranged correspondingly for pressing the lower end framework connecting steel wire. The G1 pressing block is assembled on the H1 turnover support, and the G2 pressing block is assembled on the F2 turnover support.

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